| m52 Badge | mountunestore.com | 8.33 GBP | 20.83 GBP | −60% |
| m52 Lanyard | mountunestore.com | 1.25 GBP | 2.49 GBP | −49.8% |
| mountune Intercooler Upgrade - Mustang EcoBoost | mountuneusa.com | 349 USD | 399 USD | −12.5% |
| mTune SMARTflash mr500 - Twin Scroll Upgrade [Mk3 Focus RS] (FItted at mountune HQ) | mountunestore.com | 9579.17 GBP | — | — |
| Forged Engine Rebuild [Mk3 Focus RS] | mountunestore.com | 7082.5 GBP | — | — |
| Forged Engine Rebuild [Mk8 Fiesta ST] - Fully Fitted | mountunestore.com | 3245.83 GBP | — | — |
| Clubsport 6-pot 355mm Big Brake Upgrade [Mk4 Focus ST] | mountunestore.com | 2165.83 GBP | — | — |
| Clubsport 6-pot 355mm Big Brake Upgrade [Mk3 Focus ST] | mountunestore.com | 2165.83 GBP | — | — |
| m310 MRX Power Upgrade Kit [Mk7 Fiesta ST] | mountunestore.com | 1999.17 GBP | — | — |
| Clubsport 4-pot 330mm Big Brake Upgrade [Mk6 Fiesta ST] - Fully Fitted | mountunestore.com | 1943.74 GBP | — | — |
| mTune SMARTflash m390 Turbocharger Upgrade [Mk4/Mk4.5 Focus ST] | mountunestore.com | 1750 GBP | — | — |
| Clubsport 4-pot 330mm Big Brake Upgrade [Mk6 Fiesta ST] | mountunestore.com | 1745.83 GBP | — | — |
| mountune Quaife Torque Biasing Differential 2016 Focus RS | jst-performance.com | 1722 USD | — | — |
| m285 Turbocharger Upgrade [Mk8/MK8.5 Fiesta ST | Puma ST] | mountunestore.com | 1625 GBP | — | — |
| mountune Quaife ATB Differential 2013-2015 Fiesta ST | jst-performance.com | 1507 USD | — | — |
| mountune 13-16 Focus ST Quaife Torque Biasing Differential | jst-performance.com | 1435 USD | — | — |
| Quaife ATB Differential, Fiesta ST 2014-2019 with IB6 transaxle | whooshmotorsports.com | 1319.95 USD | — | — |
| Cat Back Exhaust [Mk3 Focus RS] | mountunestore.com | 1245.83 GBP | — | — |
| Quaife Differential [Mk3 Focus ST] - Fully Fitted | mountunestore.com | 1245.83 GBP | — | — |
| Forged Connecting Rod Set [Mk3 Focus RS] | mountunestore.com | 1208.33 GBP | — | — |
| 1.0L EcoBoost Wet Belt & Water Pump - Fully Fitted | mountunestore.com | 1124.17 GBP | — | — |
| mountune Modified Car Warranty by Warrantywise | mountunestore.com | 1041.67 GBP | — | — |
| Cat Back Exhaust [Mk3 Focus ST] | mountunestore.com | 999.16 GBP | — | — |
| GPF-back Exhaust - EC Approved [Mk4 Focus ST] | mountunestore.com | 999.16 GBP | — | — |
| Timing Chain & Water Pump Kit [Mk3/3.5 Focus ST] | mountunestore.com | 949.99 GBP | — | — |
| mountune 14-19 Ford Fiesta ST Triple Pass Radiator Upgrade | jst-performance.com | 861 USD | — | — |
| Replacement Alcon 365mm Front Disc Bell Assembly (pair) [Mk2 Focus RS] | mountunestore.com | 832.5 GBP | — | — |
| Cambelt [MK2 Focus RS/ST] | mountunestore.com | 829.16 GBP | — | — |
| Alloy Intercooler Upgrade [Mk3 Focus RS] - Fully Fitted | mountunestore.com | 812.5 GBP | — | — |
| GPF-back Exhaust - EC Approved [Mk8/ Mk8.5 Fiesta ST] | mountunestore.com | 803.33 GBP | — | — |
| Downpipe / Sports Cat [Mk3 Focus RS] - Fully Fitted | mountunestore.com | 795 GBP | — | — |
| GPF-back Exhaust - EC Approved [Puma ST] | mountunestore.com | 790.83 GBP | — | — |
| Forged Piston Set [Mk3 Focus RS] | mountunestore.com | 790.83 GBP | — | — |
| mTune SMARTflash M400 [Ranger Raptor V6 Ecoboost] | mountunestore.com | 749.17 GBP | — | — |
| Quaife ATB Differential [Mk2 Focus ST] | mountunestore.com | 741.66 GBP | — | — |
| Quaife ATB Differential [Mk7 Fiesta ST] | mountunestore.com | 735 GBP | — | — |
| Quaife ATB Differential [Mk3 Focus RS] | mountunestore.com | 735 GBP | — | — |
| Quaife ATB Differential [Mk8/MK8.5 Fiesta ST / Puma ST] | mountunestore.com | 735 GBP | — | — |
| Quaife ATB Differential [Mk3 Focus ST] | mountunestore.com | 735 GBP | — | — |
| Cast Inlet Manifold [Mk4 Focus ST] - Fully Fitted | mountunestore.com | 716.67 GBP | — | — |